GAT

RBT

PDCT

p-value (ANOVA)

Preoperative IOP (mmHg)

14.1 ± 1.96

14.8 ± 1.96

15.0 ± 1.71

0.035

Postoperative IOP (mmHg)

14.6 ± 2.16

15.3 ± 2.7

16.3 ± 2.94

0.004

p-value (paired t-test)

0.062

0.092

<0.001

 
Table 1: Average and SD of IOP measurements before and after PRK.